PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The markets for NGLs, olefins, natural gas, oil and other commodities are likely to continue to be volatile.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sec.gov